Analysis
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max time kernel
77s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
04/03/2023, 01:31
Static task
static1
Behavioral task
behavioral1
Sample
85ca2781c8a1bde0e30d8b1e40b3877b39a697c0410a5f36bda180cc56b92e73.exe
Resource
win10v2004-20230220-en
General
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Target
85ca2781c8a1bde0e30d8b1e40b3877b39a697c0410a5f36bda180cc56b92e73.exe
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Size
660KB
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MD5
1e61df9d1f6b31c01a9006706d7df272
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SHA1
d2b8b2bb05d9de48422fd30b0cfa394be149774a
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SHA256
85ca2781c8a1bde0e30d8b1e40b3877b39a697c0410a5f36bda180cc56b92e73
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SHA512
d142e2b85200b2aab854917ae3ab908de59b23dd12f3f1f3d6268f6cc086dcc88e498c80f97383f5b368b69ca089e92a030c740a29f5cd7b099233f6ff49497b
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SSDEEP
12288:JMrUy90OBPUvmxXfOQbNcPhUGvGLOv1bvgJzbJ6Sft:5ylBsvEXGQbuP63PdFft
Malware Config
Extracted
redline
rosto
hueref.eu:4162
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auth_value
07d81eba8cad42bbd0ae60042d48eac6
Extracted
redline
foksa
hueref.eu:4162
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auth_value
6a9b2601a21672b285de3ed41b5402e4
Signatures
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description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection urqP83RX34.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" urqP83RX34.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" urqP83RX34.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" urqP83RX34.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" urqP83RX34.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" urqP83RX34.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 19 IoCs
resource yara_rule behavioral1/memory/3436-192-0x0000000002700000-0x000000000273E000-memory.dmp family_redline behavioral1/memory/3436-193-0x0000000002700000-0x000000000273E000-memory.dmp family_redline behavioral1/memory/3436-195-0x0000000002700000-0x000000000273E000-memory.dmp family_redline behavioral1/memory/3436-197-0x0000000002700000-0x000000000273E000-memory.dmp family_redline behavioral1/memory/3436-199-0x0000000002700000-0x000000000273E000-memory.dmp family_redline behavioral1/memory/3436-201-0x0000000002700000-0x000000000273E000-memory.dmp family_redline behavioral1/memory/3436-203-0x0000000002700000-0x000000000273E000-memory.dmp family_redline behavioral1/memory/3436-205-0x0000000002700000-0x000000000273E000-memory.dmp family_redline behavioral1/memory/3436-207-0x0000000002700000-0x000000000273E000-memory.dmp family_redline behavioral1/memory/3436-211-0x0000000002700000-0x000000000273E000-memory.dmp family_redline behavioral1/memory/3436-214-0x0000000002700000-0x000000000273E000-memory.dmp family_redline behavioral1/memory/3436-216-0x0000000002700000-0x000000000273E000-memory.dmp family_redline behavioral1/memory/3436-218-0x0000000002700000-0x000000000273E000-memory.dmp family_redline behavioral1/memory/3436-220-0x0000000002700000-0x000000000273E000-memory.dmp family_redline behavioral1/memory/3436-222-0x0000000002700000-0x000000000273E000-memory.dmp family_redline behavioral1/memory/3436-224-0x0000000002700000-0x000000000273E000-memory.dmp family_redline behavioral1/memory/3436-226-0x0000000002700000-0x000000000273E000-memory.dmp family_redline behavioral1/memory/3436-228-0x0000000002700000-0x000000000273E000-memory.dmp family_redline behavioral1/memory/3436-1108-0x0000000004BC0000-0x0000000004BD0000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
pid Process 1496 yczr98mc75.exe 2192 urqP83RX34.exe 3436 wrOc25xM92.exe 1072 xuur88Fw19.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features urqP83RX34.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" urqP83RX34.exe -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" 85ca2781c8a1bde0e30d8b1e40b3877b39a697c0410a5f36bda180cc56b92e73.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce yczr98mc75.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\"" yczr98mc75.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce 85ca2781c8a1bde0e30d8b1e40b3877b39a697c0410a5f36bda180cc56b92e73.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Program crash 2 IoCs
pid pid_target Process procid_target 4220 2192 WerFault.exe 87 1844 3436 WerFault.exe 100 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2192 urqP83RX34.exe 2192 urqP83RX34.exe 3436 wrOc25xM92.exe 3436 wrOc25xM92.exe 1072 xuur88Fw19.exe 1072 xuur88Fw19.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2192 urqP83RX34.exe Token: SeDebugPrivilege 3436 wrOc25xM92.exe Token: SeDebugPrivilege 1072 xuur88Fw19.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1752 wrote to memory of 1496 1752 85ca2781c8a1bde0e30d8b1e40b3877b39a697c0410a5f36bda180cc56b92e73.exe 86 PID 1752 wrote to memory of 1496 1752 85ca2781c8a1bde0e30d8b1e40b3877b39a697c0410a5f36bda180cc56b92e73.exe 86 PID 1752 wrote to memory of 1496 1752 85ca2781c8a1bde0e30d8b1e40b3877b39a697c0410a5f36bda180cc56b92e73.exe 86 PID 1496 wrote to memory of 2192 1496 yczr98mc75.exe 87 PID 1496 wrote to memory of 2192 1496 yczr98mc75.exe 87 PID 1496 wrote to memory of 2192 1496 yczr98mc75.exe 87 PID 1496 wrote to memory of 3436 1496 yczr98mc75.exe 100 PID 1496 wrote to memory of 3436 1496 yczr98mc75.exe 100 PID 1496 wrote to memory of 3436 1496 yczr98mc75.exe 100 PID 1752 wrote to memory of 1072 1752 85ca2781c8a1bde0e30d8b1e40b3877b39a697c0410a5f36bda180cc56b92e73.exe 104 PID 1752 wrote to memory of 1072 1752 85ca2781c8a1bde0e30d8b1e40b3877b39a697c0410a5f36bda180cc56b92e73.exe 104 PID 1752 wrote to memory of 1072 1752 85ca2781c8a1bde0e30d8b1e40b3877b39a697c0410a5f36bda180cc56b92e73.exe 104
Processes
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C:\Users\Admin\AppData\Local\Temp\85ca2781c8a1bde0e30d8b1e40b3877b39a697c0410a5f36bda180cc56b92e73.exe"C:\Users\Admin\AppData\Local\Temp\85ca2781c8a1bde0e30d8b1e40b3877b39a697c0410a5f36bda180cc56b92e73.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1752 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\yczr98mc75.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\yczr98mc75.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1496 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urqP83RX34.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urqP83RX34.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2192 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2192 -s 10844⤵
- Program crash
PID:4220
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrOc25xM92.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrOc25xM92.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3436 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3436 -s 13804⤵
- Program crash
PID:1844
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\xuur88Fw19.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\xuur88Fw19.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1072
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2192 -ip 21921⤵PID:3968
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 3436 -ip 34361⤵PID:2324
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
175KB
MD575ced8ad0d8cd237ebc9cb7b00852651
SHA1adab63df3e0a40fd9f170ab57da66f01f226141c
SHA256a35a264162c124ffd066dd867ed96359131d37b243cb0445c1c9eba6a58de819
SHA512f565a49b14671683a1e48cece82a437a79bf8bdb456a3c6f35fac020e5fef3cd666399208633b7d2da9407f7b334a311a416b0a969c8b62ff28e15e7d4a0c431
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Filesize
175KB
MD575ced8ad0d8cd237ebc9cb7b00852651
SHA1adab63df3e0a40fd9f170ab57da66f01f226141c
SHA256a35a264162c124ffd066dd867ed96359131d37b243cb0445c1c9eba6a58de819
SHA512f565a49b14671683a1e48cece82a437a79bf8bdb456a3c6f35fac020e5fef3cd666399208633b7d2da9407f7b334a311a416b0a969c8b62ff28e15e7d4a0c431
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Filesize
515KB
MD5cd82caf760ffdc30cb7c817dc4ef9314
SHA1f042b4e2a81370aba1123c04c4418bb426b58cff
SHA2566bc2e58046cf7fca5d3141a8c3c9234f0363563cde799ee89879411ad82ed16a
SHA512ddd222e7e78ad4cba55c4dee85742537d3124c447e7191577a765bf3e4c291f7f11156c567aebbeecba3240424b7a4b9464a8482dfbbd393a73f0eaebf317886
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Filesize
515KB
MD5cd82caf760ffdc30cb7c817dc4ef9314
SHA1f042b4e2a81370aba1123c04c4418bb426b58cff
SHA2566bc2e58046cf7fca5d3141a8c3c9234f0363563cde799ee89879411ad82ed16a
SHA512ddd222e7e78ad4cba55c4dee85742537d3124c447e7191577a765bf3e4c291f7f11156c567aebbeecba3240424b7a4b9464a8482dfbbd393a73f0eaebf317886
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Filesize
232KB
MD5db3ab3357fc347e4ca262d7a8cf6f90f
SHA1517fef5bb4d3246dd817765cdb7747b0580973b4
SHA256e03720c814f0a4c343c5f49e4d8e53f9ee71d7a6412c93b5bdb1ac58e80eddad
SHA512f7d7b8e7850b0f00381619e1f8776d1885e43f489b4786daaeea4a5a8b2d278b10cc0a693b32ff4023bbee1e8a6f8e51e227ce97ac8a0d201f8f43efe772e97f
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Filesize
232KB
MD5db3ab3357fc347e4ca262d7a8cf6f90f
SHA1517fef5bb4d3246dd817765cdb7747b0580973b4
SHA256e03720c814f0a4c343c5f49e4d8e53f9ee71d7a6412c93b5bdb1ac58e80eddad
SHA512f7d7b8e7850b0f00381619e1f8776d1885e43f489b4786daaeea4a5a8b2d278b10cc0a693b32ff4023bbee1e8a6f8e51e227ce97ac8a0d201f8f43efe772e97f
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Filesize
290KB
MD51ef58e21a15e90d73d400e2b62b17256
SHA15ac56358af1c665c89dda115587a5360fecb841a
SHA2561406756fb455734d1a168cecfb2312e43937ed84153f6578d11d8c30729af209
SHA512302fda42de2c9fa1ba22f4be5630b25c33abcacf576b040abf5df26f9acefb68f5eeddcc21bac6086d9e43fd92dfe31969251f2b74de2e441c0cce7cf9cd08f8
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Filesize
290KB
MD51ef58e21a15e90d73d400e2b62b17256
SHA15ac56358af1c665c89dda115587a5360fecb841a
SHA2561406756fb455734d1a168cecfb2312e43937ed84153f6578d11d8c30729af209
SHA512302fda42de2c9fa1ba22f4be5630b25c33abcacf576b040abf5df26f9acefb68f5eeddcc21bac6086d9e43fd92dfe31969251f2b74de2e441c0cce7cf9cd08f8